Procion MX is the most versatile and popular of dyes. It can be used for tie dye, batik, immersion dyeing, and direct application. The colors in this set are completely intermixable to achieve any color desired. Procion MX Dye Set includes four colors (yellow, fuchsia, turquoise, jet black) and Soda Ash Dye Fixer. Also included are four yards of prepared for dyeing fabric!